Jiang Chuanbo - 17 Mar 2026 Form 3 Insider Report for STAK Inc. (STAK)

Reporting relationship: Chief Executive Officer, Director, 10%+ Owner
Issuer ticker: STAK
Reported as of: 17 Mar 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 17 Mar 2026, 20:54:10 UTC
Source filing: View source filing
Reporting owner signature: /s/ Jiang Chuanbo

Key filing fact

Jiang Chuanbo filed Form 3 for STAK Inc. (STAK) on 17 Mar 2026.

Key facts

This page summarizes Jiang Chuanbo's Form 3 filing for STAK Inc. (STAK).
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 17 Mar 2026, 20:54.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002056523 Primary reporting owner

Jiang Chuanbo

Relationship: Chief Executive Officer, Director, 10%+ Owner
Address: BUILDING 11, 8TH FLOOR, NO. 6 BEITANGHE EAST ROAD, CHANGZHOU, CHINA
Signature: /s/ Jiang Chuanbo
Signature date: 17 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

STAK holding

Class B Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,700,000
Date: 17 Mar 2026
Ownership: By Lanying Capital Ltd.
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The reported securities are directly held by Lanying Capital Ltd. The reporting person beneficially owns securities though his 100% shareholding of Lanying Capital Ltd.